Method For Forming a Common Communication Session, Method For Forming a First Communication Session and a Second Communication Session From a Common Communication Session, and Communication Session Server

摘要

Communication control server and method for forming a common communication session from a first and second communication sessions, each with a plurality of communication session participant communication devices, which are respectively associated with a respective participant server and use the respective participant server to participate in the respective communication session. Each of the first and second communication sessions is controlled by a respective communication session control server. A request to combine the communication session participant communication devices in the common communication session prompts one of the two communication session control servers to request a common communication session from the other communication session control server using a fusion request message. One of the two communication session control servers sets up the common communication session and transmits a fusion message to each of the participant servers. The respective participant server associates its associated communication session participant communication device with the common communication session.